For generator owners
Tips & owner guides
The procedures we leave with customers after commissioning, written out properly. Mostly useful at the two moments you need them: a long outage, and the first time something does not look right.
Air-cooled Generac standby generators
How to Check and Top Off the Oil on a Generac Standby Generator
During a long outage, oil is the thing most likely to end your run early. Here is how to check it.
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Air-cooled Generac standby generators
How to Safely Shut Down a Generac Standby Generator
Four steps, in this order. Skipping the cool-down is what shortens engine life.
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Liquid-cooled Generac units with Evolution or Nexus controllers
Manual Shutdown Procedure for Liquid-Cooled Generac Generators
For planned work only: maintenance, fuel delivery, or a scheduled service visit.
Read the guide →
Something is wrong right now?
These guides cover normal operation. If your generator will not start, will not transfer, or is showing a fault code, start with the troubleshooting page — and if it is smoking, leaking or making an unfamiliar noise, do not work on it. Call us.
These guides supplement your owner's manual — they do not replace it. Capacities, oil specifications and controller behavior vary by model, and the manual is the authority for your specific unit. If a guide and your manual disagree, follow the manual and tell us so we can fix the guide.
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